Patents Examined by Lori Wu
  • Patent number: 11993263
    Abstract: A method of automatically activating a high-torque braking system in a heavy-duty vehicle configured to operate in at least one low speed, high torque mode and at least one higher speed, lower torque mode is disclosed. The method includes determining a speed-controller device such as a joystick or lever of the vehicle is in a first position which results in the vehicle travelling in a higher-speed, lower-torque mode, and, responsive to detecting braking and a change in position of the speed-controller from the first position to a second, neutral, position, activating a low-speed high torque mode of operation for braking the vehicle.
    Type: Grant
    Filed: April 26, 2023
    Date of Patent: May 28, 2024
    Assignee: Volvo Construction Equipment AB
    Inventors: Harisha Shimoga, Natesh Krishnan
  • Patent number: 11994174
    Abstract: A clutch assembly comprises at least one controllable friction clutch for variable torque transmission between a clutch input part and a clutch output part; a hydraulic actuator assembly for actuating the friction clutch, the actuator assembly comprising a hydraulic pump, a hydraulic chamber in which hydraulic pressure for the friction clutch is built up by the hydraulic pump and a return flow element with an orifice, via which hydraulic fluid can flow out of the hydraulic chamber into a housing reservoir when the hydraulic pump is not actuated, wherein the hydraulic fluid defines a filling level in the housing reservoir; wherein an outlet opening of the return flow element lies below the filling level of the hydraulic fluid in a inactive state.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: May 28, 2024
    Assignee: GKN Automotive Limited
    Inventors: Markus Wiegandt, Eduard Kinzel
  • Patent number: 11988280
    Abstract: A blocking mechanism including a transmission casing and a movable pawl having a locking finger. The movable pawl is pivotably mounted in a plane about a pivot axis on the transmission casing between a locking position in which the locking finger is engaged in the locking recess and a release position in which the locking finger is disengaged from the locking recess. The movable pawl includes a cam surface. A linear actuator moves a movable carriage guided by a guide rail, in which the movable carriage includes a cam follower capable of moving on the cam surface, and a housing formed in the transmission casing, in which the guide rail is fitted in the housing.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: May 21, 2024
    Assignee: VALEO EMBRAYAGES
    Inventors: Antonin Cheron, Fabien Diascorn, Christophe Mollier
  • Patent number: 11976724
    Abstract: [PROBLEMS] When an acceleration request from a driver is large, upshift is performed under a high engine rotation speed. [SOLUTIONS] Provided is an automatic transmission, including: a torque converter that is disposed downstream of a drive source in a power transmission path and is provided with a lockup clutch; and a transmission mechanism that is disposed downstream of the torque converter and changes a speed ratio between an input shaft and an output shaft, in which in a state where the lockup clutch is engaged, when a rotation speed of the input shaft reaches a first rotation speed, the automatic transmission starts upshift, and in a state where the lockup clutch is disengaged or slips, when the rotation speed of the input shaft reaches a second rotation speed obtained by subtracting a first predetermined rotation speed from the first rotation speed, the automatic transmission starts upshift, and the first predetermined rotation speed decreases as an output torque of the drive source increases.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: May 7, 2024
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Seiichirou Takahashi, Koji Saito
  • Patent number: 11976721
    Abstract: A control system and method for a vehicle is provided. The system comprises a poly-shifter, an RF Hub, a transmission control module (TCM) and a controller. The poly-shifter is configured to be moved between operating states including “Park” and “Non-Park” positions. The RF Hub supports operational features of the vehicle. The TCM determines a lock state of a parking pawl in a transmission of the vehicle and communicates the lock state to the RF Hub. The controller is configured to determine whether a driver has exited the vehicle with the poly-shifter in a “Non-Park” position. The controller is further configured to power down the vehicle based on the lock state of the parking pawl being in a “Park” position and the driver exiting the vehicle with the poly-shifter in the “Non-Park” position.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: May 7, 2024
    Assignee: FCA US LLC
    Inventor: Abhilash Gudapati
  • Patent number: 11971101
    Abstract: Methods and systems are provided for an actuation system for a parking mechanism in a transmission system of a vehicle. In one example, a system may include an actuator coupled to a lever arm via one or more parallel axis gears, and a shaft connecting the lever arm to a pawl of the parking mechanism, the lever arm non-back drivable at each of a first state and a second state of the actuation system.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 30, 2024
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventor: Michael Z. Creech
  • Patent number: 11951829
    Abstract: A power transmission device is provided, which includes a main-drive-wheel drive part, and an auxiliary-drive-wheel drive part having a power extraction part which has a transfer gear set comprised of a transfer drive gear connected to the main-drive-wheel drive part and a transfer driven gear meshing with the transfer drive gear and configured to transmit power to the auxiliary drive wheels. In a power transmission path from the main-drive-wheel drive part to the transfer drive gear, an input shaft connected to the main-drive-wheel drive part and a power transmission shaft connected to the transfer drive gear are coupled to each other in a radial direction through a first spline having a first backlash. A first shear damper without backlash and a second shear damper provided with a second spline having a second backlash smaller than the first backlash are provided between the input shaft and the power transmission shaft.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: April 9, 2024
    Assignee: Mazda Motor Corporation
    Inventors: Seiji Hidaka, Atsushi Nakano
  • Patent number: 11945446
    Abstract: An in-vehicle control device includes: a requested torque calculation unit which calculates a requested torque on the basis of a driving state of a vehicle; a requested torque change amount calculation unit which calculates the amount of change in requested torque per unit time as a requested torque change amount; an estimated generation torque calculation unit which calculates estimated generation torque estimated as being generated by an engine; an estimated generation torque change amount calculation unit which calculates the amount of change in estimated generation torque per unit time as an estimated generation torque change amount; and an abnormality detection unit which detects an abnormality of the engine on the basis of the integrated value of a difference between the requested torque change amount and the estimated generation torque change amount, and outputs abnormality determination for the engine.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: April 2, 2024
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Shigemi Oono, Sadato Horiuchi
  • Patent number: 11946513
    Abstract: A clutch device includes a clutch center, and a pressure plate movable toward or away from the clutch center, rotatable relative to the clutch center, and operable to press input-side rotating plates and output-side rotating plates. The clutch center includes center-side fitting teeth holding the input-side rotating plates and the output-side rotating plates, projecting radially outward from an outer peripheral surface of an outer peripheral wall, and arranged in circumferential directions, and an oil channel in an end portion of at least one of the center-side fitting teeth in a second direction. The oil channel allows clutch oil flowing at least at an inner peripheral surface of the outer peripheral wall to be discharged to outside of the clutch center.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: April 2, 2024
    Assignee: KABUSHIKI KAISHA F.C.C.
    Inventors: Makoto Kambara, Jun Komukai
  • Patent number: 11946538
    Abstract: To detect the occurrence of slippage, a transmission health monitor integrates speed measurements for an engine shaft and a transmission shaft to determine a number of revolutions for each shaft. The monitor then uses a ratio of the revolutions adjusted for a transmission gear ratio to determine whether slippage has occurred. Based on the slippage, the monitor can determine a cumulative amount of wear on a clutch for each gear and track the rate of change of slippage over time to determine a rate at which wear is occurring. The monitor can also correlate slippage calculations with torque measurements to identify operating conditions at which slippage is occurring. The monitor uses the cumulative amount of slippage, the rate of change of slippage, and the operating conditions at which slippage is occurring to estimate a remaining lifespan for a clutch or indicate that a clutch should be repaired or replaced.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 2, 2024
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Stanley Vernon Stephenson, Joe A. Beisel, Timothy Holiman Hunter
  • Patent number: 11946544
    Abstract: An actuator (1) for a component, in particular for a transmission component of a motor vehicle, including a processor (2) which is connected to an electric motor (3) for the closed-loop or open-loop control thereof, a final control element (4) which can be moved by the electric motor (3), wherein at least one (actuator-integrated) vibration sensor (5) is coupled to the processor (2), and the processor (2) is designed to evaluate the signals delivered by the vibration sensor. A method for evaluating vibrations on a transmission component of a motor vehicle is also provided, in which vibrations on the transmission component are detected by a vibration sensor (5) on the actuator and are processed in a processor (2) of an electromotive actuator (1).
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: April 2, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Martin Vornehm
  • Patent number: 11940016
    Abstract: A clutch release bearing assembly is disclosed herein that includes a more durable and improved interface for engaging an actuator. The assembly includes a housing having at least one flange, and the housing is formed from a first material. At least one insert is supported on the at least one flange, and the at least one insert is configured to engage an actuator. The at least one insert is formed from a second material that is different than the first material.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: March 26, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Milton Amaro, Alessandro Aparecido Ferreira
  • Patent number: 11920644
    Abstract: In a predetermined first state, a distance (D1) in a second direction between a contact portion (Pin) between a input-side engaging part (9) and an input-side engaging part (17) and a rotation center (O) is larger than a distance (D2) in the second direction between a contact portion (Pout) between an output-side engaging part (12) and an output-side engaged part (14) and the rotation center (O). In a locked state or a semi-locked state, a contact portion (C1) between the output-side engaging part (12) and the output-side engaged part (14) is located closer to the rotation center (O) of the output member (4) in a first direction than an imaginary straight line (L) connecting a contact portion (C2) between one pressing surface (13) of the pair of pressing surfaces (13) and a pressed surface (6) to the rotation center (O) of the output member (4).
    Type: Grant
    Filed: November 11, 2022
    Date of Patent: March 5, 2024
    Assignee: NSK LTD.
    Inventors: Nagao Dohi, Shohei Kaneko
  • Patent number: 11912424
    Abstract: An electric engine for a vertical takeoff-and-landing aircraft comprising an electric motor assembly including a stator and a rotor. The electric engine may comprise an inverter assembly, a gearbox assembly including a sun gear, and a main shaft including a length of the main shaft that extends from a first end of the main shaft through the gearbox assembly and through the electric motor assembly to a second end of the main shaft. The electric engine may include a hydrodynamic bearing located between the main shaft and sun gear, and a bearing including an inner race mechanically coupled to the main shaft and an outer race mechanically coupled to the rotor. The electric engine may include a bearing including an outer race mechanically coupled to an inner surface of the rotor.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: February 27, 2024
    Assignee: Archer Aviation Inc.
    Inventor: Scott Graves
  • Patent number: 11913547
    Abstract: A park lock unit and method for operation of said unit are provided. In one example, the park lock unit includes a sliding assembly that engages and disengages a parking pawl from a toothed wheel and an electronic actuation assembly configured to engage the parking pawl with the toothed wheel when electric power provided to the electronic actuation assembly drops below a threshold value. The park lock unit further includes a manual release mechanism configured to disengage the parking pawl from the toothed wheel in response to operator input.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: February 27, 2024
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventors: Nathan Mandery, David Luce, Cody Ott
  • Patent number: 11913548
    Abstract: An electric drive axle for a motor vehicle includes a first half shaft, a second half shaft, a first parking lock unit associated with the first half shaft, and a second parking lock unit associated with the second half shaft. The first parking lock unit and the second parking lock unit are mechanically connected to one another via a connecting linkage. A central actuator arrangement is adjustingly connected to the connecting linkage.
    Type: Grant
    Filed: July 17, 2023
    Date of Patent: February 27, 2024
    Assignee: MAGNA Powertrain GmbH & Co KG
    Inventors: Bernhard Steiner, Herbert Steindl
  • Patent number: 11898617
    Abstract: Vehicles that are relatively heavy and/or configured to transport heavy loads may utilize a powertrain comprising an electric machine capable of operating at high speeds and a multispeed transmission to propel the vehicle. An interface module is configured to modulate torque between the electric machine and the multispeed transmission allowing the electric machine to smoothly match speed as the multispeed transmission shifts between gears. The interface module facilitates efficient, predictable, and reliable modulation of torque between an input and an output of the powertrain of the vehicle.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: February 13, 2024
    Assignee: Allison Transmission, Inc.
    Inventor: Shaun Mepham
  • Patent number: 11885414
    Abstract: A parking apparatus for a vehicle and a transmission for a vehicle are provided. The parking apparatus for the vehicle includes an actuator, a pinion gear mounted in an end portion of the actuator and rotating in a same direction as the actuator rotates, a rack gear engaged with one side of the pinion gear and linearly moving in a tangential direction to the pinion gear as the pinion gear rotates, a push assembly including a push shaft extending from an end portion of the rack gear and a push head provided on one side of the push shaft, a parking sprag rotating according to an operation of the push assembly, and a parking gear mounted in a driver and selectively engaged with the parking sprag as the parking sprag rotates.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: January 30, 2024
    Assignee: NEOOTO CO., LTD.
    Inventors: Duk Soon Choi, Sun Hyun Kim
  • Patent number: 11879530
    Abstract: A torque converter centering sleeve assembly is disclosed herein that includes an anti-contamination plate. The assembly includes a centering sleeve including a body. A plate, i.e. an anti-contamination plate, is arranged inside of the centering sleeve. The plate includes at least a first portion and a second portion in contact with an inner surface of the centering sleeve such that the plate partitions off a pocket defined by the centering sleeve. The plate can be secured to the centering sleeve via a snap fit or press fit.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: January 23, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Scott Angel, Daniel Linton, Timothy Simon, Melissa Blischak, Brian Zaugg
  • Patent number: 11879538
    Abstract: A planetary gearset including a gear arrangement including a centrally arranged sun gear rotationally fixable to a drive shaft, a set of planet gears distributed circumferentially around the sun gear, a ring gear member extending circumferentially around the planet gears, a ring gear, planet gear shafts arranged centrally in a corresponding planet gear, planet gear bearings arranged between a corresponding planet gear shaft and planet gear, wherein each planet gear shaft includes a planet gear shaft channel with an inlet opening and an outlet opening, a planet carrier connected to the set of planet gears via the planet gear shafts, wherein each planet gear shaft extends in an axial direction from the planet gear through the planet carrier and includes a protruding portion that protrudes out from the planet carrier and includes the inlet opening.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: January 23, 2024
    Assignee: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventors: Henrik Strand, Johan Sahlberg